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Meaning of zircon

zir•con

Pronunciation: (zûr'kon), [key]
— n.
  1. a common mineral, zirconium silicate, ZrSiO, occurring in small tetragonal crystals or grains of various colors, usually opaque: used as a refractory when opaque and as a gem when transparent.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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